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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef TITANIC_MESSAGE_TARGET_H
+#define TITANIC_MESSAGE_TARGET_H
+
+#include "titanic/core/saveable_object.h"
+
+namespace Titanic {
+
+class CMessageTarget;
+class CMessage;
+
+typedef bool (CMessageTarget::*PMSG)(CMessage *msg);
+
+struct MSGMAP_ENTRY {
+ PMSG _fn;
+ ClassDef *_class;
+};
+
+struct MSGMAP {
+ const MSGMAP *(* pFnGetBaseMap)();
+ const MSGMAP_ENTRY *lpEntries;
+};
+
+#define DECLARE_MESSAGE_MAP \
+protected: \
+ static const MSGMAP *getThisMessageMap(); \
+ virtual const MSGMAP *getMessageMap() const
+
+#define BEGIN_MESSAGE_MAP(theClass, baseClass) \
+ const MSGMAP *theClass::getMessageMap() const \
+ { return getThisMessageMap(); } \
+ const MSGMAP *theClass::getThisMessageMap() \
+ { \
+ typedef theClass ThisClass; \
+ typedef baseClass TheBaseClass; \
+ typedef bool (theClass::*FNPTR)(CMessage *msg); \
+ static const MSGMAP_ENTRY _messageEntries[] = {
+
+#define ON_MESSAGE(msgClass) \
+ { static_cast<PMSG>((FNPTR)&ThisClass::msgClass), C##msgClass::_type },
+
+#define END_MESSAGE_MAP() \
+ { (PMSG)nullptr, nullptr } \
+ }; \
+ static const MSGMAP messageMap = \
+ { &TheBaseClass::getThisMessageMap, &_messageEntries[0] }; \
+ return &messageMap; \
+ }
+
+#define EMPTY_MESSAGE_MAP(theClass, baseClass) \
+ const MSGMAP *theClass::getMessageMap() const \
+ { return getThisMessageMap(); } \
+ const MSGMAP *theClass::getThisMessageMap() \
+ { \
+ typedef baseClass TheBaseClass; \
+ static const MSGMAP_ENTRY _messageEntries[] = { \
+ { (PMSG)nullptr, nullptr } \
+ }; \
+ static const MSGMAP messageMap = \
+ { &TheBaseClass::getThisMessageMap, &_messageEntries[0] }; \
+ return &messageMap; \
+ } \
+ static const int DUMMY = 0
+
+class CMessageTarget: public CSaveableObject {
+ DECLARE_MESSAGE_MAP;
+public:
+ CLASSDEF;
+
+ /**
+ * Save the data for the class to file
+ */
+ virtual void save(SimpleFile *file, int indent);
+
+ /**
+ * Load the data for the class from file
+ */
+ virtual void load(SimpleFile *file);
+};
+
+} // End of namespace Titanic
+
+#endif /* TITANIC_MESSAGE_TARGET_H */